A Survey Asked 32,011 Homeowners How Many Pets They Owned

question 19

Multiple Choice

A survey asked 32,011 homeowners how many pets they owned. The results were as follc
$\begin{array}{cc}\hline \text { Number of Pets } & \text { Number of Homeowners } \\\hline 0 & 5583 \\1 & 10,423 \\2 & 8856 \\3 & 6349 \\4 \text { or more } & 800 \\\hline \text { Total } & 32,011\end{array}$
What is the probability that a sampled homeowner has three pets? wed:

• A) 0.777
• B) 0.025
• C) 0.198
• D) 0.223

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Definitions:

Graphical Method

A technique for solving mathematical problems by drawing graphs to visualize relationships between variables.

Equations

Mathematical statements that assert the equality of two expressions, typically including one or more variables.

Substitution

A method for solving systems of equations where one of the equations is solved for one variable in terms of others, and that expression is substituted into the other equation(s).

Equations

Mathematical statements that assert the equality of two expressions, typically involving variables.